IP500 R5.0 to IP401 R4.1 to IP401 R4.1 SCN calling issue

[voippbx]

Help!

I have a SCN with IP500 R5.0.15 (MAIN) and 2 IP trunks to 2 other sites both IP401 R4.1.9.

From IP500 Main site I can 4 digit each of the 401's and they can do the same. Vmail fine from 401 to main and other 401 to main.

I cannot 4 digit dial from 401 to 401 but yet vmail works from both 401's to main.

My questions: Do i need to upgrade both 401's to a higher release? Do I need to change the IP lines and add it as a mesh SCN?

Trace is showing cannot add route from 401 to 401? SCN shows up at main via monitor. Cannot see SCN from either 401 via monitor.

 

[intrigrant]

I wouldn't ever upgrade a SOE unit higher then 4.1, these boxes have memory problems with higher sw levels and SCN.
Make a SCN IP Trunk between the SOE units and the problem is solved.
Although it is not supported it does not mean it won't work. If call load is kept low ( can it go high with a SOE? No ) then there is no problem at all.

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